Every public data breach

47 disclosed this week · 26,367 on record

Tianya

Disclosed Jun 30, 201629,020,808 accountsUnverified

In December 2011, China's largest online forum known as Tianya was hacked and tens of millions of accounts were obtained by the attacker. The leaked data included names, usernames and email addresses.

What is known

People affected29,020,808 (accounts in the leaked data, per Have I Been Pwned)
DisclosedJun 30, 2016
HappenedDec 26, 2011
AttackHacking
Data exposedEmailsNames
SectorTech
StatusUnverified: not yet confirmed by an official notice, a filing or the organization
Check your emailHave I Been Pwned

Sources

Notices filed

History of this record
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.

Everything about Tianya